Home / 1,260,751.37-1,739,802.44-687,791.39

Finding the Fourth Proportional to 1,260,751.37, 1,739,802.44 and 687,791.39

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Solution

The fourth proportional to 1,260,751.37, 1,739,802.44 and 687,791.39 is: 949,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,751.37 : 1,739,802.44 = 687,791.39 : x
  2. Step 2: Convert to fraction form
    1,260,751.37/1,739,802.44 = 687,791.39/x
  3. Step 3: Cross multiply
    1,260,751.37x = 1,739,802.44 × 687,791.39
  4. Step 4: Simplify right side
    1,260,751.37x = 1,196,621,131,553.46
  5. Step 5: Solve for x
    x = 1,196,621,131,553.46/1,260,751.37
  6. Step 6: Final answer
    x = 949,133.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.